Grundoram Manual (PDF 1.7MB) - TT Technologies Inc.

7. Replace the black o-ring (see Fig. 121).FIG. 121: REPLACE O-RINGO. Control Stud Assembly1. Install the outer control tube (see Fig. 122). Then you can install the sealing ring(see Fig. 123).2. Install the elastic block (see Fig. 124), and the seal ring (see Fig. 125).FIG. 122: INSTALL OUTERCONTROL TUBEFIG. 123: INSTALL SEALING RINGFIG. 124: INSTALL ELASTIC BLOCKFIG. 125: INSTALL SEAL RING46 TT TECHNOLOGIES, INC.